| Attribute |
Lenovo ThinkPad X1 Carbon (20BTA07BCD) × | 
LG Z series 14Z950-P72BK (14Z950-P72BK) × |
| General | | |
| Model | Lenovo ThinkPad X1 Carbon | LG Z series 14Z950-P72BK |
| Product code | 20BTA07BCD | 14Z950-P72BK |
| Design | | |
| Product colour | Black | Black |
| Form factor | Clamshell | Clamshell |
| Brand | Lenovo | LG |
| Family | ThinkPad | Z series |
| Series | X | - |
| Model name | X1 Carbon | 14Z950-P72BK |
| Part number | 20BTA07BCD | 14Z950-P72BK |
| Release year (year) | 2018 | 2017 |
| Processor | | |
| Processor manufacturer | Intel | - |
| Processor family | 5th gen Intel Core i5 | 5th gen Intel Core i7 |
| Processor frequency (GHz) | 2.2 | 2.4 |
| Processor boost frequency (GHz) | 2.7 | 3 |
| Processor model | i5-5200U | i7-5500U |
| Processor cores | 2 | 2 |
| Processor threads | 4 | 4 |
| Processor lithography (Nm) | 14 | 14 |
| Processor socket | BGA 1168 | BGA 1168 |
| Processor cache (MB) | 3 | 4 |
| Memory | | |
| Internal memory type | DDR3L-SDRAM | DDR3L-SDRAM |
| Maximum internal memory (GB) | 4 | - |
| Memory clock speed (MHz) | 1,600 | 1,600 |
| Internal memory (GB) | 4 | 8 |
| Display | | |
| Display diagonal (inch) | 14 | 14 |
| Panel type | - | IPS |
| HD type | Full HD | Full HD |
| LED backlight | + | + |
| Touchscreen | - | - |
| Dual-screen | - | - |
| Display resolution | 1920 x 1080 pixels | 1920 x 1080 pixels |
| Graphics | | |
| On-board graphics adapter | + | + |
| Discrete graphics adapter | - | - |
| On-board graphics adapter base frequency (MHz) | 300 | 300 |
| Maximum on-board graphics adapter memory (GB) | 16 | 16 |
| On-board graphics adapter model | Intel HD Graphics 5500 | Intel HD Graphics 5500 |
| Storage | | |
| Total storage capacity (GB) | 256 | 256 |
| Number of SSDs installed | 1 | - |
| SSD capacity (GB) | 256 | 256 |
| Card reader integrated | - | + |
| Storage media | SSD | SSD |
| Optical drive | - | - |
| Networking | | |
| Wi-Fi standards | - 802.11b
- 802.11g
- wi-fi 4 (802.11n)
| |
| Bluetooth | + | + |
| Ethernet LAN | - | + |
| Ethernet LAN data rates (Mbit/s) | - | |
| Wi-Fi | + | + |
| 4g | - | - |
| 3g | - | - |
| Bluetooth version | 4.0 | - |
| Ports and interfaces | | |
| USB 3.x Type-A ports | 2 | 2 |
| Combo headphone/mic port | + | - |
| Docking connector | + | - |
| USB Sleep-and-Charge | + | + |
| DVI port | - | - |
| HDMI ports quantity | 1 | 1 |
| Audio | | |
| Speaker power (W) | 1 | 2 |
| Built-in microphone | + | + |
| Camera | | |
| Front camera | + | + |
| Front camera resolution (numeric) (MPixel) | - | 1.3 |
| Keyboard | | |
| Numeric keypad | - | - |
| Keyboard backlit | + | - |
| Pointing device | ThinkPad UltraNav | Touchpad |
| Software | | |
| Operating system installed | Windows 7 Home Basic | Windows 7 Professional |
| Operating system architecture (bit) | 64 | 64 |
| Weight and dimensions | | |
| Weight (kg) | 1.27 | 0.98 |
| Height (mm) | 17.7 | 13.4 |
| Depth (mm) | 226 | 225 |
| Width (mm) | 331 | 324 |
| Power | | |
| AC adapter power (W) | - | 40 |
| Security | | |
| Cable lock slot | + | + |
| Fingerprint reader | + | - |